FI19991881A - Delta-sigma modulator with two-step quantization, and method for utilizing two-step quantization in delta-sigma modulation - Google Patents

Delta-sigma modulator with two-step quantization, and method for utilizing two-step quantization in delta-sigma modulation

Info

Publication number
FI19991881A
FI19991881A FI991881A FI19991881A FI19991881A FI 19991881 A FI19991881 A FI 19991881A FI 991881 A FI991881 A FI 991881A FI 19991881 A FI19991881 A FI 19991881A FI 19991881 A FI19991881 A FI 19991881A
Authority
FI
Finland
Prior art keywords
delta
step quantization
sigma
utilizing
quantization
Prior art date
Application number
FI991881A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI107664B (en
Inventor
Saska Lindfors
Kari Halonen
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI991881A priority Critical patent/FI107664B/en
Priority to US09/652,749 priority patent/US6313775B1/en
Priority to EP06112900A priority patent/EP1681769B1/en
Priority to EP00660147A priority patent/EP1081863B1/en
Priority to AT00660147T priority patent/ATE326081T1/en
Priority to DE60040248T priority patent/DE60040248D1/en
Priority to DE60027830T priority patent/DE60027830T2/en
Publication of FI19991881A publication Critical patent/FI19991881A/en
Application granted granted Critical
Publication of FI107664B publication Critical patent/FI107664B/en
Priority to HK06113618A priority patent/HK1093123A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
    • H03M1/164—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages
    • H03M1/167—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages all stages comprising simultaneous converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
FI991881A 1999-09-03 1999-09-03 Delta-sigma modulator with two-step quantization, and method for utilizing two-step quantization in delta-sigma modulation FI107664B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI991881A FI107664B (en) 1999-09-03 1999-09-03 Delta-sigma modulator with two-step quantization, and method for utilizing two-step quantization in delta-sigma modulation
US09/652,749 US6313775B1 (en) 1999-09-03 2000-08-31 Delta-sigma modulator with two-step quantization, and method for using two-step quantization in delta-sigma modulation
EP06112900A EP1681769B1 (en) 1999-09-03 2000-09-01 Integrated circuit containing a delta-sigma modulator with two-step quantization
EP00660147A EP1081863B1 (en) 1999-09-03 2000-09-01 Delta-sigma modulator with two-step quantization, and method for using two-step quantization in delta-sigma modulation
AT00660147T ATE326081T1 (en) 1999-09-03 2000-09-01 DELTA-SIGMA MODULATOR WITH TWO-LEVEL QUANTIZATION AND METHOD FOR APPLYING TWO-LEVEL QUANTIZATION IN DELTA-SIGMA MODULATION
DE60040248T DE60040248D1 (en) 1999-09-03 2000-09-01 Integrated circuit with delta-sigma modulator with two-stage quantization
DE60027830T DE60027830T2 (en) 1999-09-03 2000-09-01 Two-stage quantization delta-sigma modulator and method of applying two-stage quantization in delta-sigma modulation
HK06113618A HK1093123A1 (en) 1999-09-03 2006-12-12 Integrated circuit containing a delta-sigma modulator with two-step quantization

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI991881A FI107664B (en) 1999-09-03 1999-09-03 Delta-sigma modulator with two-step quantization, and method for utilizing two-step quantization in delta-sigma modulation
FI991881 1999-09-03
US09/652,749 US6313775B1 (en) 1999-09-03 2000-08-31 Delta-sigma modulator with two-step quantization, and method for using two-step quantization in delta-sigma modulation
US65274900 2000-08-31

Publications (2)

Publication Number Publication Date
FI19991881A true FI19991881A (en) 2001-03-04
FI107664B FI107664B (en) 2001-09-14

Family

ID=26160777

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991881A FI107664B (en) 1999-09-03 1999-09-03 Delta-sigma modulator with two-step quantization, and method for utilizing two-step quantization in delta-sigma modulation

Country Status (3)

Country Link
US (1) US6313775B1 (en)
EP (1) EP1081863B1 (en)
FI (1) FI107664B (en)

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US6535153B1 (en) * 1999-02-04 2003-03-18 Med-El Electromedizinische Gerate Ges.M.B.H. Adaptive sigma-delta modulation with one-bit quantization
US7433665B1 (en) 2000-07-31 2008-10-07 Marvell International Ltd. Apparatus and method for converting single-ended signals to a differential signal, and transceiver employing same
US7194037B1 (en) 2000-05-23 2007-03-20 Marvell International Ltd. Active replica transformer hybrid
US6775529B1 (en) 2000-07-31 2004-08-10 Marvell International Ltd. Active resistive summer for a transformer hybrid
US7312739B1 (en) 2000-05-23 2007-12-25 Marvell International Ltd. Communication driver
USRE41831E1 (en) 2000-05-23 2010-10-19 Marvell International Ltd. Class B driver
US7606547B1 (en) 2000-07-31 2009-10-20 Marvell International Ltd. Active resistance summer for a transformer hybrid
US6452524B1 (en) * 2001-02-08 2002-09-17 Ericsson Inc. Delta sigma converter incorporating a multiplier
US6518899B2 (en) * 2001-06-13 2003-02-11 Texas Instruments Incorporated Method and apparatus for spectral shaping of non-linearity in data converters
US6489913B1 (en) * 2001-09-24 2002-12-03 Tektronix, Inc. Sub-ranging analog-to-digital converter using a sigma delta converter
US7046098B2 (en) * 2001-11-27 2006-05-16 Texas Instruments Incorporated All-digital frequency synthesis with capacitive re-introduction of dithered tuning information
US6937176B2 (en) * 2003-09-30 2005-08-30 Koninklijke Philips Electronics, N.V. Ultrasonic signal acquisition in the digital beamformer
DE10350594B4 (en) * 2003-10-30 2009-07-30 Infineon Technologies Ag Method for calibrating current cells for digital-to-analog converter circuits and digital-to-analog converter circuit
US7362247B2 (en) * 2005-05-06 2008-04-22 Agere Systems Inc. Digital correction of nonlinearity errors of multibit delta-sigma digital to analog converters
US7352313B2 (en) * 2005-05-31 2008-04-01 Agere Systems Inc. Method and apparatus for master/slave digital-to-analog conversion
US7312662B1 (en) 2005-08-09 2007-12-25 Marvell International Ltd. Cascode gain boosting system and method for a transmitter
US7577892B1 (en) 2005-08-25 2009-08-18 Marvell International Ltd High speed iterative decoder
JP4771311B2 (en) * 2006-02-09 2011-09-14 オンセミコンダクター・トレーディング・リミテッド Filter coefficient setting device, filter coefficient setting method, and program
US7420494B1 (en) * 2007-04-30 2008-09-02 Analog Devices, Inc. Mismatch shaping Δ-Σ analog to digital converter system
US7782237B2 (en) * 2008-06-13 2010-08-24 The Board Of Trustees Of The Leland Stanford Junior University Semiconductor sensor circuit arrangement
CN101350622B (en) * 2008-09-10 2012-01-11 华为技术有限公司 Quantizer circuit for DEM algorithm and implementing method
JPWO2010058492A1 (en) * 2008-11-20 2012-04-12 パナソニック株式会社 Delta-sigma modulator and radio communication apparatus
JP5198427B2 (en) * 2009-12-29 2013-05-15 ザインエレクトロニクス株式会社 Sigma delta modulator
US8471751B2 (en) * 2011-06-30 2013-06-25 Intel Corporation Two-stage analog-to-digital converter using SAR and TDC
WO2016147523A1 (en) * 2015-03-19 2016-09-22 パナソニックＩｐマネジメント株式会社 Image sensor and image-capturing device equipped therewith
KR102441025B1 (en) 2017-12-06 2022-09-05 삼성전자주식회사 Semiconductor device and operating method thereof
US10541699B1 (en) * 2018-10-11 2020-01-21 Nxp B.V. Signal processing and conversion
EP3700092B1 (en) * 2019-02-25 2023-08-30 ams International AG Analog-to-digital converter system, electronic device and analog-to-digital conversion method

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Publication number Priority date Publication date Assignee Title
US5055846A (en) * 1988-10-13 1991-10-08 Crystal Semiconductor Corporation Method for tone avoidance in delta-sigma converters
US5103229A (en) * 1990-04-23 1992-04-07 General Electric Company Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantization
US5442353A (en) * 1993-10-25 1995-08-15 Motorola, Inc. Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same
US5654711A (en) 1995-06-07 1997-08-05 Asahi Kasei Microsystems Ltd. Analog-to-digital converter with local feedback
US5818374A (en) 1996-05-08 1998-10-06 Telefonaktiebolaget Lm Ericsson Switched current delta-sigma modulator
KR100235465B1 (en) * 1996-05-29 1999-12-15 유기범 Flash type a/d converter
US5936562A (en) * 1997-06-06 1999-08-10 Analog Devices, Inc. High-speed sigma-delta ADCs
US6232901B1 (en) * 1999-08-26 2001-05-15 Rockwell Collins, Inc. High performance sigma-delta-sigma low-pass/band-pass modulator based analog-to-digital and digital-to-analog converter

Also Published As

Publication number Publication date
EP1081863A2 (en) 2001-03-07
EP1081863A3 (en) 2004-01-02
US6313775B1 (en) 2001-11-06
FI107664B (en) 2001-09-14
EP1081863B1 (en) 2006-05-10

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